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Stoichiometry

Stoichiometry
Weight of 56 litres of ammonia at N.T.P. is __________ gm.

2800
2.5
42.5
56

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Stoichiometry
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.

Intermolecular forces
Potential energy
Total energy
Kinetic energy

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Stoichiometry
A gas at 0°C is cooled at constant pressure until its volume becomes half the original volume. The temperature of the gas at this state will be

-273°C
- 136.5°K
0°K
-136.5°C

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Stoichiometry
The value of the gas-law constant 'R' is 1.987

Kcal/kg-mole.°C
Both B & C
Btu/lb-mole.°R
Kcal/kg-mole.°K

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Stoichiometry
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

< 3
< 1
> 3
3

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Stoichiometry
Mass number of an atom is the sum of the numbers of

Neutrons and electrons
Protons and electrons
Both A & B
Neutrons and protons

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